spyc.yaml loaded into PHP:
Array ( [String] => Anyone's name, really. [Int] => 13 [BadHex] => f0xf3 [Hex] => 243 [True] => 1 [False] => [Zero] => 0 [Null] => [NotNull] => null [NotTrue] => y [NotBoolTrue] => true [NotInt] => 5 [Float] => 5.34 [Negative] => -90 [SmallFloat] => 0.7 [NewLine] => \n [QuotedNewLine] => [0] => PHP Class [1] => Basic YAML Loader [2] => Very Basic YAML Dumper [3] => Array ( [0] => YAML is so easy to learn. [1] => Your config files will never be the same. ) [4] => Array ( [cpu] => 1.5ghz [ram] => 1 gig [os] => os x 10.4.1 ) [domains] => Array ( [0] => yaml.org [1] => php.net ) [5] => Array ( [program] => Adium [platform] => OS X [type] => Chat Client ) [no time] => There isn't any time for your tricks! Do you understand? [some time] => There is nothing but time for your tricks. [databases] => Array ( [0] => Array ( [name] => spartan [notes] => Array ( [0] => Needs to be backed up [1] => Needs to be normalized ) [type] => mysql ) ) [if: you'd] => like [6] => Array ( [0] => One [1] => Two [2] => Three [3] => Four ) [7] => Array ( [0] => One [1] => Array ( [0] => Two [1] => And [2] => Three ) [2] => Four [3] => Five ) [8] => Array ( [0] => This [1] => Array ( [0] => Is [1] => Getting [2] => Array ( [0] => Ridiculous [1] => Guys ) ) [2] => Seriously [3] => Array ( [0] => Show [1] => Mercy ) ) [9] => Array ( [name] => chris [age] => young [brand] => lucky strike ) [10] => Array ( [name] => mark [age] => older than chris [brand] => Array ( [0] => marlboro [1] => lucky strike ) ) [dynamic languages] => Array ( [0] => Perl [1] => Python [2] => PHP [3] => Ruby ) [compiled languages] => Array ( [0] => C/C++ [1] => Java ) [all languages] => Array ( [0] => Array ( [0] => Perl [1] => Python [2] => PHP [3] => Ruby ) [1] => Array ( [0] => C/C++ [1] => Java ) ) [11] => you know, this shouldn't work. but it does. [12] => that's my value. [13] => again, that's my value. [14] => here's to "quotes", boss. [15] => Array ( [name] => Foo, Bar's [age] => 20 ) [16] => Array ( [0] => a [1] => Array ( [0] => 1 [1] => 2 ) [2] => b ) [17] => First line Second line Third line [18] => Array ( [javascripts] => Array ( [0] => dom1.js [1] => dom.js ) ) [1040] => Ooo, a numeric key! [hash_1] => Hash [hash_2] => Hash #and a comment [hash#3] => Hash (#) can appear in key too [float_test] => 1.0 [float_test_with_quotes] => 1.0 [float_inverse_test] => 1 [a_really_large_number] => 115792089237316195423570985008687907853269984665640564039457584007913129639936 [int array] => Array ( [0] => 1 [1] => 2 [2] => 3 ) [array on several lines] => Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 [6] => 6 [7] => 7 [8] => 8 [9] => 9 [10] => 10 [11] => 11 [12] => 12 [13] => 13 [14] => 14 [15] => 15 [16] => 16 [17] => 17 [18] => 18 [19] => 19 ) [morelesskey] => [array_of_zero] => Array ( [0] => 0 ) [sophisticated_array_of_zero] => Array ( [rx] => Array ( [tx] => Array ( [0] => 0 ) ) ) [switches] => Array ( [0] => Array ( [row] => 0 [col] => 0 [func] => Array ( [tx] => Array ( [0] => 0 [1] => 1 ) ) ) ) [empty_sequence] => Array ( ) [empty_hash] => Array ( ) [special_characters] => [{]]{{]] [asterisks] => * [empty_key] => Array ( [] => Array ( [key] => value ) ) [trailing_colon] => foo: [multiline_items] => Array ( [0] => Array ( [type] => SomeItem [values] => Array ( [0] => blah [1] => blah [2] => blah [3] => blah ) [ints] => Array ( [0] => 2 [1] => 54 [2] => 12 [3] => 2143 ) ) ) [many_lines] => A quick fox jumped over a lazy dog [werte] => Array ( [1] => nummer 1 [0] => Stunde 0 ) [noindent_records] => [1041] => Array ( [record1] => value1 ) [1042] => Array ( [record2] => value2 ) [a:1] => Array ( [0] => 1000 ) [a:2] => Array ( [0] => 2000 ) [a:3] => Array ( [0] => 3000 ) [complex_unquoted_key] => Array ( [a:b:''test'] => value ) [array with commas] => Array ( [0] => 0 [1] => 1 ) [invoice] => Array ( [0] => Something [1] => [2] => [3] => Something else ) [quotes] => Array ( [0] => Something [1] => Nothing [2] => Anything [3] => Thing ) [endloop] => Does this line in the end indeed make Spyc go to an infinite loop? )
YAML Data dumped back:

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/mustangostang/spyc/Spyc.php on line 353
--- String: "Anyone's name, really." Int: 13 BadHex: f0xf3 Hex: 243 True: true False: false Zero: 0 Null: null NotNull: 'null' NotTrue: 'y' NotBoolTrue: 'true' NotInt: "5" Float: 5.34 Negative: -90 SmallFloat: 0.7 NewLine: \n QuotedNewLine: \n 0: PHP Class 1: Basic YAML Loader 2: Very Basic YAML Dumper 3: - YAML is so easy to learn. - > Your config files will never be the same. 4: cpu: 1.5ghz ram: 1 gig os: os x 10.4.1 domains: - yaml.org - php.net 5: program: Adium platform: OS X type: Chat Client no time: | There isn't any time for your tricks! Do you understand? some time: | There is nothing but time for your tricks. databases: - name: spartan notes: - Needs to be backed up - Needs to be normalized type: mysql "if: you'd": like 6: - One - Two - Three - Four 7: - One - - Two - And - Three - Four - Five 8: - This - - Is - Getting - - Ridiculous - Guys - Seriously - - Show - Mercy 9: name: chris age: young brand: lucky strike 10: name: mark age: older than chris brand: - marlboro - lucky strike dynamic languages: - Perl - Python - PHP - Ruby compiled languages: - C/C++ - Java all languages: - - Perl - Python - PHP - Ruby - - C/C++ - Java 11: "you know, this shouldn't work. but it does." 12: "that's my value." 13: "again, that's my value." 14: | here's to "quotes", boss. 15: name: "Foo, Bar's" age: 20 16: - a - - "1" - "2" - b 17: | First line Second line Third line 18: javascripts: - dom1.js - dom.js 1040: Ooo, a numeric key! hash_1: Hash hash_2: 'Hash #and a comment' "hash#3": 'Hash (#) can appear in key too' float_test: "1.0" float_test_with_quotes: "1.0" float_inverse_test: 1 a_really_large_number: > 115792089237316195423570985008687907853269984665640564039457584007913129639936 int array: - 1 - 2 - 3 array on several lines: - 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 morelesskey: '' array_of_zero: - 0 sophisticated_array_of_zero: rx: tx: - 0 switches: - row: 0 col: 0 func: tx: - 0 - 1 empty_sequence: [ ] empty_hash: [ ] special_characters: '[{]]{{]]' asterisks: '*' empty_key: : key: value trailing_colon: 'foo:' multiline_items: - type: SomeItem values: - blah - blah - blah - blah ints: - 2 - 54 - 12 - 2143 many_lines: | A quick fox jumped over a lazy dog werte: 1: nummer 1 0: Stunde 0 noindent_records: "" 1041: record1: value1 1042: record2: value2 "a:1": - 1000 "a:2": - 2000 "a:3": - 3000 complex_unquoted_key: "a:b:''test'": value array with commas: - "0" - "1" invoice: - Something - "" - "" - Something else quotes: - Something - Nothing - Anything - Thing endloop: > Does this line in the end indeed make Spyc go to an infinite loop?